The (false?) gods of Hypsis are once again
interfering with Human history. Tired of their lower status among their peers,
the trinity in charge of planet Earth opens communications with megacorporation
Vivaxis at the end of the 20th century – an occurrence Valerian and Laureline’s
allies report to the two ex-agents. But to what end did the Hypsians initiate
such a contact? And who is the mysterious Sat who, from the depths of Point
Central, also endeavours to meddle with Human affairs?